CONTENTS. 5 



Department Bulletin 213. — The Use op Land in Teaching Agriculture 



in Secondary Schools — Continued. Page. 



Is a school farm necessary? 2 



Advantages and disadvantages 3 



Management of the school farm 4 



Kinds of work pupils engage in 4 



Use of land to teach general principles 5 



Home projects 5 



Extension work of agricultural instructor 7 



Source and distance from school of pupils studying agriculture 8 



Relative proportion of boys and girls studying agriculture in high schools . 9 



The period between graduation and starting farming on own account 9 



Agricultural school and the shifting-tenant problem 10 



Efficiency in agricultural production 10 



The place of personal efficiency in agricultural instruction 11 



Summary ll 



Department Bulletin 214. — Spring Wheat in the Great Plains Area: 

 Relation of Cultural Methods to Production. 



Introduction 1 



Climatic conditions 4 



General plan of the investigations. . . , 5 



Comparison of cultural methods on the basis of cost 8 



Results at the several stations 11 



General discussion of results 37 



Conclusions : 42 



Department Bulletin 215. — Composition op Corn (Maize) Meal Manu- 

 factured by Different Processes and the Influence op C omposition on 

 the Keeping Qualities. 



Introduction 1 



Consumption of corn meal 2 



Manufacture of corn meal 3 



Products of corn milling 5 



Composition of the products of corn milling 6 



Spoilage of meal 15 



Relation of moisture content to keeping quality of degerminated, bolted, 



roller-ground meal 16 



Comparative keeping quality of whole-kernel stone-ground meal and 



degerminated, bolted, roller-ground meal 22 



Summary 30 



Department Bulletin 216. — Cotton Warehouses: Storage Facilities now 

 Available in the South. 



Introduction 1 



Importance of the warehouse in financing the cotton crop 2 



General discussion of storage facilities 5 



Storage facilities now available 12 



Insurance rates and cost of buildings 19 



General conclusions 22 



Summary 25 



Department Bulletin 217. — Mortality Among Waterfowl Around Great 

 Salt Lake, Utah. 



Introduction 1 



History 2 



Territory covered in investigations 3 



Nature of the trouble 4 



Theories as to cause 5 



An alkaline poison as the cause 6 



Suggested remedies '. 8 



Department Bulletin 218. — Oats in the Great Plains Area: Relation op 

 Cultural Methods to Production. 



Introduction 1 



Area included in these investigations 3 



Climatic conditions 3 



General plan of the investigations. 4 



Comparison of cultural methods,. 8 



Results at the several stations H 



General discussion of results 38 



Conclusions 41 



